英语中有少数可数名词的复数构成是不规则的。
1. 改变元音字母,如:
foot — feet goose — geese
tooth — teeth mouse — mice
man — men woman — women
gentleman — gentlemen policewoman — policewomen
2. 词尾变化,如:
child — children ox — oxen
3. 单复数同形,如:
deer sheep means
series species Swiss
jin(斤) li(里) yuan(元)
–ese结尾的国名也同形,如:
Chinese Japanese Portuguese
4. 有些外来词仍保留原来的复数形式,如:
analysis — analyses (分析)
basis — bases (基础)
crisis — crises (危机)
criterion — criteria (标准)
diagnosis — diagnoses (诊断)
phenomenon — phenomena (现象)
stratum — strata (阶层)
thesis — theses (论文)
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